79001800

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:355

約数の個数: 96

約数和(自身を含む): 194351400

約数和(自身を除く): 115349600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 53, 58, 100, 106, 116, 145, 200, 212, 232, 257, 265, 290, 424, 514, 530, 580, 725, 1028, 1060, 1160, 1285, 1325, 1450, 1537, 2056, 2120, 2570, 2650, 2900, 3074, 5140, 5300, 5800, 6148, 6425, 7453, 7685, 10280, 10600, 12296, 12850, 13621, 14906, 15370, 25700, 27242, 29812, 30740, 37265, 38425, 51400, 54484, 59624, 61480, 68105, 74530, 76850, 108968, 136210, 149060, 153700, 186325, 272420, 298120, 307400, 340525, 372650, 395009, 544840, 681050, 745300, 790018, 1362100, 1490600, 1580036, 1975045, 2724200, 3160072, 3950090, 7900180, 9875225, 15800360, 19750450, 39500900, 79001800]

約数ペア:

[(1, 79001800), (2, 39500900), (4, 19750450), (5, 15800360), (8, 9875225), (10, 7900180), (20, 3950090), (25, 3160072), (29, 2724200), (40, 1975045), (50, 1580036), (53, 1490600), (58, 1362100), (100, 790018), (106, 745300), (116, 681050), (145, 544840), (200, 395009), (212, 372650), (232, 340525), (257, 307400), (265, 298120), (290, 272420), (424, 186325), (514, 153700), (530, 149060), (580, 136210), (725, 108968), (1028, 76850), (1060, 74530), (1160, 68105), (1285, 61480), (1325, 59624), (1450, 54484), (1537, 51400), (2056, 38425), (2120, 37265), (2570, 30740), (2650, 29812), (2900, 27242), (3074, 25700), (5140, 15370), (5300, 14906), (5800, 13621), (6148, 12850), (6425, 12296), (7453, 10600), (7685, 10280)]